Java - Error Validator

<?xml version="1.0" encoding="UTF-8"?>

<faces-config xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd"
version="1.2">

<application>

<!-- By specifying Spring's variable resolver, you can configure Spring
beans as managed properties of your managed beans. This allows you to easily
inject dependencies into your JSF-managed beans. -->
<variable-resolver>org.springframework.web.jsf.DelegatingVariableResolver</variable-resolver>

<locale-config>
<default-locale>es</default-locale>
<supported-locale>en</supported-locale>
</locale-config>

<validator>
<description>Comprueba que el email es correcto</description>
<validator-id>validators.Email</validator-id>
<validator-class>validators.EmailValidator</validator-class>
</validator>

</application>

</faces-config>


¿ Dónde está el Orror? Me sale error en la línea de <validator>.